Application of PCFA in assessing security strategy in public office network

From the structure, functions and characteristics of office network, the threat and attack are analyzed. Office network is divided into network level, system level and application level. Using the primary components and factor analysis (PCFA), all levels´ relationship and security strategy and realized way are elaborated. Different security strategy is applied reasonably. Based on PCFA and through case study, the results are analyzed reflecting main function indexes of the evaluation security strategy in public office network and all the indexes should be considered because evaluation depends on the interaction. It is concluded that, under the premise of minimizing the data loss, the application of PCFA approved to be practicable. Network attacks and security technical is continuously developed and changed. The network administrator should keep track of network security technology and use dynamic means to protect office network systems.